FX-991EX FX 991EX features Advanced Scientific Calculator 552 FUNCTIONS.

High-resolution LCD display for clear and easy-to-read calculations and graphical representations

Supports basic arithmetic operations, fractions, percentages, exponents, logarithms, trigonometric functions, complex numbers, matrices, and statistical calculations

Equation solver function for solving linear, quadratic, cubic equations, and simultaneous equations.

Spreadsheet mode for data analysis and manipulation

List-based statistics for mean, standard deviation, variance, regression analysis, and more

Programmable functionality for creating and executing custom programs

Solar-powered with battery backup for use in low-light conditions

The  Classwiz FX-991EX Advance Scientific Calculator is widely used in mathematics, engineering, physics, and other scientific fields due to its comprehensive features and user-friendly interface. It is a reliable and efficient tool for complex calculations and problem-solving. Functions and Features:

552 Functions

Table Functions

Backspace / Delete

Multi replay Function

24 Parentheses Levels

9 Variable Memories

Reset function

Square Root key

Degrees / Minutes / Seconds

40 Metric Conversions (20 Conversion Pairs)

Scientific and Statistics*

Random Numbers

Factorials

Combinations

Permutations

FIX / SCI / NORM

Exponentials

Logarithmic

Degrees

Radians

Gradians

Exponents

Reciprocals

Negative Indicator

Expression Editing

Roots and Powers

Coordinate Conversion

Logarithmic Regression

Power Regression

Quadratic Regression

Inverse Regression

Linear Regression

Calculations on the Basis of n

Combinations (nCr) and Permutations (nPr)

Integration

Differential

Equation Calculation

Hyperbolics

Normal Distribution

Matrices

Equation Solver

Formula Solver

Numeric Differentiation

Numeric Integration

Vector Calculations

Complex Number Calculations

Random Integers

Fraction Calculations

List Based Statistics Data Editor

Standard Deviation

Paired Variable Statistics Regression Analysis

Logical Operations

40 Scientific Constants

Metric / Imperial Conversions

40 Metric Conversions

Logarithm Log

Trigonometric (SIN/COS/TAN)

Exponential Regression

Functions:

Trigonometric Functions

Solve Functions

Suitable for Ages 11+

Students using this Calculator for GCSE's & A Levels Examinations and came out with exceptional grades

Calculator with two Extra Batteries and Screw driver

The  Classwiz FX-991EX is a highly advanced scientific calculator designed to meet the needs of students, engineers, and professionals. It offers a wide range of features and functions, making it suitable for various mathematical and scientific calculations......